condition	mean	min	max
0 h after light	11.230705	9.17021	13.2912
4 h after light	8.22427	7.50238	8.94616
8 h after light	9.098735	8.73889	9.45858
4 h after dark	10.081430000000001	9.38956	10.7733
8 h after dark	10.03687	9.41584	10.6579
12 h after dark	9.4542	8.3866	10.5218